From top of my head Rulon Gardner's Sydney gold
the fluke of all flukes by Bradbury
the chokes of all chokes by Emmons (still in progress a little bit)Turkey road through EURO 2008 (football)
football UEFA CL final 2005 (also Chelsea this year in knockout stage)
Hakkinen vs Shitmacher Spa 2000El Guerrouj at the 2004 OlympicsLaguna Seca 2008 MotoGP
Goran 2001 Wimbledon
Mansell-senna Monaco 1993(or 92?)Miracle on ice
The Belarus-Sweden game in Salt Lake 2002Isner-MahutEstevez-Baala finish in Munich 2002Drummond in Paris 2003 100m QF
the last futsal WC finalBrazil in 1970 FIFA WCSanchez winning over 40 races in a row but quite far form WRRonaldinho at the Brazil-England 2002 matchPorto-Celtic UEFA cup finalJacobeliss fall in Turin 2006 etc etc

1950s-Roger Bannister breaking the four-minute mile
1960s-Abebe Bikila becoming the first Ethiopian to win the Olympic marathon and, four years later, becoming the first man to repeat as Olympic marathon champion
1970s-Nadia Comaneci becoming the first gymnast to earn perfect 10s when that was the highest score a gymnast can recieve (I don't understand the current scoring system)
1980s-Miracle on Ice; Joan Benoit's victory in the inaugural women's Olympic marathon
1990s-Ethiopia's Derartu Tulu and South Africa's Elana Meyer taking first and second at the Barcelona 10,000 meters women's race
2000-Spain winning Davis Cup, led by Juan Carlos Ferrero
2009 and 2011-Spain winning Davis Cup, with Juan Carlos Ferrero in the semis (2009) and David Ferrer and Rafael Nadal in finals